Integrated programmable photonic filter on the silicon -on- insulator platform.

Shasha Liao, Yunhong Ding, Christophe Peucheret, Ting Yang, Jianji Dong, Xinliang Zhang

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    Abstract

    We propose and demonstrate a silicon - on - insulator (SOI) on - chip programmable filter based on a four - tap finite impulse response structure. The photonic filter is programmable thanks to amplitude and phase modulation of each tap controlled by thermal heater s. We further demonstrate the tunability of the filter central wavelength, bandwidth and variable passband shape. The tuning range of the central wavelength is at least 42% of the free spectral range. The bandwidth tuning range is at least half of the free spectral range. Our scheme has distinct advantages of compactness, capability for integrating with electronics
    Original languageEnglish
    JournalOptics Express
    Volume22
    Issue number26
    Pages (from-to)31993–31998
    ISSN1094-4087
    DOIs
    Publication statusPublished - 2014

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